When Pigs Fly
Use a saddle to ride a pig, then have the pig get hurt from fall damage while riding it.
3/27/2009
9:19:07 AM
Ultra Rare 4.5%
Pathfinder
Guide the squad through the Soviet outpost without them getting killed.
3/26/2009
4:53:22 PM
Very Rare 6.0%
Throttled Survival
Kill the Breeder while using a Relic in Nightfall in Regular or Hardcore difficulty.
3/22/2009
6:38:57 AM
Ultra Rare 0.4%
Completionist
Complete all Extinction challenges and escape in Regular or Hardcore difficulty.
3/11/2009
1:26:12 AM
Ultra Rare 1.6%
You Have No Power Over Me
In TranZit, defeat "him" without being attacked by "him".
3/9/2009
10:18:58 AM
Very Rare 9.5%
Quiet on the Set
In Call of the Dead, cut the lights on the Director.
2/23/2009
5:43:22 PM
Ultra Rare 1.9%
All Your Base
In Origins, activate all generators without allowing one to stop.
2/15/2009
7:13:07 AM
Very Rare 5.1%
Ménage à Trois
Destroy 3 tanks with a single 105mm shot in "Iron Lady."
2/14/2009
2:49:31 PM
Very Rare 5.8%
Egg-stra XP!
Complete the Egg-Stra XP challenge and then destroy a hive in the Onslaught DLC package.
2/12/2009
10:50:19 AM
Ultra Rare 0.7%
We're Bros Now
Earn a player's loyalty in FUT by playing 10 or more games with him
1/30/2009
9:55:32 AM
Rare 23.9%
Happy Hour
In TranZit, buy 2 different perks before turning on the power.
1/12/2009
10:36:51 PM
Very Rare 5.9%
Sniper Duel
Kill a skeleton with an arrow from more than 50 meters.
12/21/2008
3:32:40 AM
Ultra Rare 3.1%
Vehicular Slaughter
Destroy all enemies on vehicles during the prison break.
12/20/2008
11:39:56 PM
Rare 18.5%
Russian bar-b-q
Incinerate 10 enemies with the flamethrower attachment in the POW compound.
12/13/2008
1:42:02 AM
Ultra Rare 2.8%